Errr, slight error?

M2TW has thrown another error my way.
Im in the year 1093 of my Portugal campaign and, with no apparent prompting, two things have happened:

1. My ability to build Holks has vanished, I now build war galleys.

2. 'Manage All Settlements' and 'No Battle Time Limit' have been turned off for some reason. This is creating some wierdness with some of my settlements because, I cant seem to set taxes in ones I had things building in, but I can build buildings and units, although they have the 'need govonor' tag.

Its very annoying. Any hope of fixing this? I was looking forward to going to the New World, but if I can only build galleys, then obviously Im not going to get there.


EDIT:

****! Wrong forum.
Thats what I get for browsing multiple forums in one go.
Move please :P)

You cannot change the tax level for a castle, it is stuck on normal until you convert it into a city if you choose to do so.